Been having a play with this with my 5900x and it seems like it can get really good results, although I've not done full stability testing yet.
I went through the instructions and had these as my P1 and P2 with the Hybrid OC
P1:
CCX1 (158): 4425 MHz, 1181 mV OC=
CCX2 (133): 4325 MHz, 1181 mV...